From 1d940b0f7d14dcef5b3d91f9145062e679b70a0d Mon Sep 17 00:00:00 2001
From: Daryl Ronningen <relms@relms.dev>
Date: Fri, 17 Dec 2021 19:39:16 -0700
Subject: [PATCH] fix: crashing if user doesn't have access to channel

---
 Program.cs | 102 ++++++++++++++++++++++++++++-------------------------
 1 file changed, 53 insertions(+), 49 deletions(-)

diff --git a/Program.cs b/Program.cs
index d0edfa7..bff7e72 100644
--- a/Program.cs
+++ b/Program.cs
@@ -186,62 +186,66 @@ namespace chord
 						return;
 					}
 
-					var restSharpClient = new RestClient("https://discord.com/api/v9");
-					var restSharpReq = new RestRequest($"channels/{currentSelectedChannel}/messages");
-					restSharpClient.AddDefaultHeader("Authorization", settings.Token);
+					try {
+						var restSharpClient = new RestClient("https://discord.com/api/v9");
+						var restSharpReq = new RestRequest($"channels/{currentSelectedChannel}/messages");
+						restSharpClient.AddDefaultHeader("Authorization", settings.Token);
 
-					var response = await restSharpClient.GetAsync<List<GetMessagesResponse>>(restSharpReq);
+						var response = await restSharpClient.GetAsync<List<GetMessagesResponse>>(restSharpReq);
 
-					var messages = new List<string>();
+						var messages = new List<string>();
 
-					foreach (var msg in response)
-					{
-						var msgNewLines = msg.content.Split("\n").ToList();
-
-						var firstMsg = msgNewLines[0];
-
-						msgNewLines.RemoveAt(0);
-						msgNewLines.Reverse();
-
-						messages.AddRange(msgNewLines.Select(message => $"{message}"));
-
-						messages.Add($"{msg.author.username}#{msg.author.discriminator} | {firstMsg}");
-
-						if (msg.embeds.Count != 0)
-							messages.Add($"{msg.author.username}#{msg.author.discriminator} | [Unable to display embed]");
-
-						if (msg.attachments.Count == 0) continue;
-						messages.AddRange(msg.attachments
-							.Select(attachment => $"{msg.author.username}#{msg.author.discriminator} | {attachment.url}")
-							.Select(dummy => dummy));
-					}
-
-					messages.Reverse();
-
-					await chatBoxList.SetSourceAsync(messages);
-					currentChannelMessages = messages;
-
-					chatBoxList.ScrollDown(currentChannelMessages.Count - chatBoxList.Bounds.Height);
-					chatBoxList.SelectedItem = currentChannelMessages.Count - 1;
-
-					var rolesDict = new SortedDictionary<int, TreeNode>();
-
-					foreach (var roles in client.GetGuild(currentSelectedGuild).Roles)
-					{
-						var roleName = Regex.Replace(roles.Name, @"[^\u0000-\u007F]+", string.Empty);
-						var node = new TreeNode(roleName);
-
-						foreach (var users in roles.Members)
+						foreach (var msg in response)
 						{
-							node.Children.Add(new TreeNode($"{users.Username}#{users.Discriminator} ({users.Nickname})"));
+							var msgNewLines = msg.content.Split("\n").ToList();
+
+							var firstMsg = msgNewLines[0];
+
+							msgNewLines.RemoveAt(0);
+							msgNewLines.Reverse();
+
+							messages.AddRange(msgNewLines.Select(message => $"{message}"));
+
+							messages.Add($"{msg.author.username}#{msg.author.discriminator} | {firstMsg}");
+
+							if (msg.embeds.Count != 0)
+								messages.Add($"{msg.author.username}#{msg.author.discriminator} | [Unable to display embed]");
+
+							if (msg.attachments.Count == 0) continue;
+							messages.AddRange(msg.attachments
+								.Select(attachment => $"{msg.author.username}#{msg.author.discriminator} | {attachment.url}")
+								.Select(dummy => dummy));
 						}
 
-						rolesDict.Add(roles.Position, node);
-					}
+						messages.Reverse();
 
-					foreach (var role in rolesDict)
-					{
-						userListTree.AddObject(role.Value);
+						await chatBoxList.SetSourceAsync(messages);
+						currentChannelMessages = messages;
+
+						chatBoxList.ScrollDown(currentChannelMessages.Count - chatBoxList.Bounds.Height);
+						chatBoxList.SelectedItem = currentChannelMessages.Count - 1;
+
+						var rolesDict = new SortedDictionary<int, TreeNode>();
+
+						foreach (var roles in client.GetGuild(currentSelectedGuild).Roles)
+						{
+							var roleName = Regex.Replace(roles.Name, @"[^\u0000-\u007F]+", string.Empty);
+							var node = new TreeNode(roleName);
+
+							foreach (var users in roles.Members)
+							{
+								node.Children.Add(new TreeNode($"{users.Username}#{users.Discriminator} ({users.Nickname})"));
+							}
+
+							rolesDict.Add(roles.Position, node);
+						}
+
+						foreach (var role in rolesDict)
+						{
+							userListTree.AddObject(role.Value);
+						}
+					} catch {
+						await chatBoxList.SetSourceAsync(new List<string>());
 					}
 				};